Great Lakes Forecast
Issued by NWS
Issued by NWS
735 FZUS63 KDTX 220721 GLFLH Open Lake Forecast for Lake Huron National Weather Service Detroit/Pontiac MI 321 AM EDT Sun Sep 22 2024 For waters beyond five nautical miles off shore on Lake Huron Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...A weak low pressure system, 29.80 inches, moves into northern Ohio River Valley into Lake Erie this evening through tomorrow morning. This will bring widespread rain with embedded thunderstorms, and will also push in a cold front across the Great Lakes starting late tonight, which will flip wind direction from SSE to NNW/NNE. A second low pressure system, 29.70 inches, will move through the southern Great Lakes Tuesday into Wednesday morning, bringing another round of active weather. LHZ361-221530- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- 321 AM EDT Sun Sep 22 2024 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...Southeast winds 5 to 10 knots backing to the north in the afternoon. Areas of dense fog in the morning. Showers likely in the afternoon. Waves 2 feet or less. .TONIGHT...Northwest winds 10 to 15 knots. Showers likely in the evening...then a chance of showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .MONDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon. .MONDAY NIGHT...Northeast winds 5 to 10 knots becoming east 10 to 15 knots after midnight. Waves 1 to 3 feet. .TUESDAY...East winds 10 to 15 knots becoming northeast 5 to 10 knots. A chance of showers. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 10 knots backing to the northwest until early morning. A chance of showers early in the morning. Waves 2 feet or less. .THURSDAY...North winds 5 to 10 knots backing to the west early in the evening...then veering to the west 5 to 10 knots in the late evening and early morning. Waves 2 feet or less. $$ LHZ362-363-221530- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 321 AM EDT Sun Sep 22 2024 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...Southeast winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and early afternoon...then decreasing to 5 to 10 knots late in the afternoon. Areas of dense fog in the morning. A chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots. A chance of showers in the evening...then showers likely after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .MONDAY...North winds 15 to 20 knots decreasing to 10 to 15 knots early in the afternoon. Waves 3 to 5 feet. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...Northeast winds 10 to 15 knots becoming east 5 to 10 knots late in the evening. A chance of showers late in the morning. Rain showers likely late in the afternoon. A chance of thunderstorms late in the evening. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 5 to 10 knots backing to the 5 to 10 knots until early morning. A chance of showers early in the morning. Waves 2 feet or less. .THURSDAY...North winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and early afternoon...then decreasing to 5 to 10 knots until early morning. Waves 2 feet or less. $$ LHZ462>464-221530- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 321 AM EDT Sun Sep 22 2024 .TODAY...Southeast winds 5 to 10 knots becoming south 10 to 15 knots early in the afternoon...then becoming southeast 5 to 10 knots late in the afternoon. Patchy fog in the morning. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots becoming north 10 to 15 knots late in the evening...then veering to the southeast after midnight backing to the east early in the morning. Showers after midnight. Waves 2 feet or less building to 2 to 4 feet after midnight...then subsiding to 1 to 3 feet early in the morning. .MONDAY...Northeast winds 10 to 15 knots. Waves 3 to 5 feet. .MONDAY NIGHT...North winds 10 to 15 knots veering to the northeast after midnight. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...East winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon...then becoming southeast 5 to 10 knots late in the evening. A chance of showers. A chance of thunderstorms late in the afternoon. Waves 1 to 3 feet. .WEDNESDAY...Southeast winds 5 to 10 knots backing to the northwest 5 to 10 knots until early morning. A chance of showers and thunderstorms early in the morning. Waves 2 feet or less. .THURSDAY...North winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and early afternoon...then decreasing to 5 to 10 knots until early morning. Waves 2 feet or less. $$ LHZ461-221530- MAFOR 2209/ HURON NORTH 12304 12400 11406 11700 11710 11816. Waves 2 feet or less today. Waves 1 to 3 feet tonight. HURON SOUTH 11303 11304 12400 11300 11306 11416 11216. Waves 2 feet or less. $$ MR Experimental modernized open lake forecast is available online at weather.gov/dtx/glftable (all lower case) Graphical marine forecasts are available online at weather.gov/greatlakes (all lower case)